Four Seasons 92387 HVAC Heater Core. HVAC Heater Core. Style: Aluminum Heater Core. Type: Heater Core /Aluminum. Fits what vehicles: 1987-1996 Chevrolet W6500 Tiltmaster, 1988-2007 Chevrolet W4500 Tiltmaster, 1988-2007 Chevrolet W5500 Tiltmaster, 1992-2007 Isuzu NPR, 1992-1994 Isuzu NRR, 1994-2007 Isuzu NQR, 1995-2007 Chevrolet W3500 Tiltmaster, 1995-2007 GMC W3500 Forward, 1995-2007 GMC W4500 Forward, 1999-2007 Isuzu NPR-HD, 2005-2007 Isuzu NRR, 2004-2007 Chevrolet W5500HD Tiltmaster.
